What is a Javascript Node Js?

A JavaScript Node.js job typically involves developing server-side applications using Node.js, a runtime built on Chrome's V8 engine. Developers in this role create APIs, handle backend logic, and integrate with databases, often using frameworks like Express.js. They may also work on performance optimization, security, and real-time applications. This role requires proficiency in JavaScript, asynchronous programming, and knowledge of relevant tools like npm, WebSockets, and cloud services.